Patents by Inventor Florian Koelln

Florian Koelln has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20090228395
    Abstract: Method for disseminating digital content that is secured by Digital Rights Management (DRM), the digital content being encrypted and playback of the digital content being linked to a license that is provided with a digital key including associated attributes that regulate at least one of a type, a scope and a duration of a permissible utilization of the digital content, including: generating a DRM ticket including an unambiguous destination address on a DRM server contactable via a computer network, the DRM ticket configured to enable a user in possession of the DRM ticket to download, at the destination address, a first license onto a device configured to play digital content; making the DRM ticket available to a buyer of the first license; and generating the first license based on rights coupled to the DRM ticket at a moment of a download of the first license onto the DRM server, the rights being stipulated by a content provider when the DRM ticket is generated.
    Type: Application
    Filed: April 6, 2006
    Publication date: September 10, 2009
    Inventors: Susan Wegner, Sven Wischnowsky, Bernhard Feiten, Gerd Foth, Jens Kroll, Florian Koelln, Peter Hofmann, Hauke Witt
  • Publication number: 20080228869
    Abstract: The invention relates to a method for online distribution of digital content that is protected by digital rights management (DRM). It makes it possible to disseminate such content via peer-to-peer networks, for instance, according to the bitstream principle.
    Type: Application
    Filed: March 4, 2008
    Publication date: September 18, 2008
    Applicant: Deutsche Telekom AG
    Inventors: Andreas Kraft, Joerg Oppermann, Zhiyun Ren, Alexander Knabner, Florian Koelln, Behrend Freese